This subterranean oyster house has been the pearl of Grand Central Station since 1913.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Step inside Lucy, the world's largest "elephant."

World War II bunker still standing on the New Jersey beach.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Two thirds of this Montreal neon icon has survived to flash another day.

A historic Montreal market that was the city's agricultural hub for over century.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This beloved marketplace mascot poops money and grants good luck.

An Irish Memorial commemorating those who perished due to potato blight.

This elaborate towering structure was once famed for its revolutionary height.

Dr Barnes' $25 billion private collection of art and arboretum.